Improve visibility of contributing file

What does this mr do?

Rename Contributing.md to CONTRIBUTING.md to make the file easier to see.

Does this MR meet the acceptance criteria?

• I have added a changelog entry to reflect the significant changes I made.
• Tests were created to test the feature.
• I have updated the documentation accordingly.
• I adhere to the style guide.

added 1 commit

• a0b3908c - Update CODEOWNERS file

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merged

mentioned in commit 211d8bc4